Interpretation of Demographics Data
Demographic Data Report for Montana by County
Population: Age 40 and over
All Races (includes Hispanic), Both Sexes
2019-2023 American Community Survey 5-Year Data
Sorted by Value
United States
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 48.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 160,683,909.
- Rank within US : N/A
Montana
- 2023 Rural-Urban Continuum Codes Φ : N/A
- Value (Percent) : The value is 50.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 555,816.
- Rank within US : This state is ranked 12 of 52
Roosevelt County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 36.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,935.
- Rank within US : This county is ranked 3095 of 3143
Big Horn County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 40.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,307.
- Rank within US : This county is ranked 2990 of 3143
Gallatin County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 41.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 50,292.
- Rank within US : This county is ranked 2972 of 3143
Glacier County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 41.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,670.
- Rank within US : This county is ranked 2967 of 3143
Hill County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 43.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,005.
- Rank within US : This county is ranked 2883 of 3143
Blaine County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 43.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,075.
- Rank within US : This county is ranked 2829 of 3143
Missoula County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 45.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 54,271.
- Rank within US : This county is ranked 2724 of 3143
Rosebud County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,796.
- Rank within US : This county is ranked 2648 of 3143
Liberty County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 909.
- Rank within US : This county is ranked 2633 of 3143
Fallon County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 46.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,310.
- Rank within US : This county is ranked 2597 of 3143
Richland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 47.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,348.
- Rank within US : This county is ranked 2510 of 3143
Cascade County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 40,615.
- Rank within US : This county is ranked 2413 of 3143
Yellowstone County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 48.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 80,993.
- Rank within US : This county is ranked 2334 of 3143
Toole County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 49.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,498.
- Rank within US : This county is ranked 2071 of 3143
Silver Bow County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 50.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 17,902.
- Rank within US : This county is ranked 1935 of 3143
Pondera County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 51.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,091.
- Rank within US : This county is ranked 1669 of 3143
Lewis and Clark County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 51.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 37,483.
- Rank within US : This county is ranked 1629 of 3143
Chouteau County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,061.
- Rank within US : This county is ranked 1517 of 3143
Dawson County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,649.
- Rank within US : This county is ranked 1415 of 3143
Teton County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,322.
- Rank within US : This county is ranked 1309 of 3143
Beaverhead County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 52.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,075.
- Rank within US : This county is ranked 1283 of 3143
Flathead County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 57,519.
- Rank within US : This county is ranked 1255 of 3143
Valley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 53.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,051.
- Rank within US : This county is ranked 1099 of 3143
Sweet Grass County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,009.
- Rank within US : This county is ranked 1011 of 3143
Custer County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,466.
- Rank within US : This county is ranked 977 of 3143
Lake County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 17,440.
- Rank within US : This county is ranked 936 of 3143
Wibaux County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 54.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 624.
- Rank within US : This county is ranked 936 of 3143
Fergus County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,373.
- Rank within US : This county is ranked 818 of 3143
Garfield County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 517.
- Rank within US : This county is ranked 797 of 3143
Powell County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 55.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,895.
- Rank within US : This county is ranked 755 of 3143
Sheridan County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,064.
- Rank within US : This county is ranked 640 of 3143
Wheatland County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 56.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,152.
- Rank within US : This county is ranked 630 of 3143
Stillwater County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 58.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,265.
- Rank within US : This county is ranked 409 of 3143
Treasure County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 58.2 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 443.
- Rank within US : This county is ranked 409 of 3143
Jefferson County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 58.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 7,287.
- Rank within US : This county is ranked 396 of 3143
Phillips County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 58.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,473.
- Rank within US : This county is ranked 371 of 3143
Mineral County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 58.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,823.
- Rank within US : This county is ranked 340 of 3143
Prairie County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 738.
- Rank within US : This county is ranked 327 of 3143
Daniels County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.6 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 909.
- Rank within US : This county is ranked 288 of 3143
Ravalli County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.7 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 27,349.
- Rank within US : This county is ranked 284 of 3143
Broadwater County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 59.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 4,375.
- Rank within US : This county is ranked 272 of 3143
Park County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 59.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 10,473.
- Rank within US : This county is ranked 262 of 3143
Powder River County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 60.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,064.
- Rank within US : This county is ranked 234 of 3143
Judith Basin County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 60.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,248.
- Rank within US : This county is ranked 213 of 3143
McCone County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 61.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,114.
- Rank within US : This county is ranked 183 of 3143
Golden Valley County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 61.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 517.
- Rank within US : This county is ranked 177 of 3143
Deer Lodge County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 62.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,896.
- Rank within US : This county is ranked 163 of 3143
Carbon County
- 2023 Rural-Urban Continuum Codes Φ : Urban
- Value (Percent) : The value is 62.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 6,774.
- Rank within US : This county is ranked 151 of 3143
Musselshell County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 63.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 3,193.
- Rank within US : This county is ranked 130 of 3143
Madison County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 63.4 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 5,686.
- Rank within US : This county is ranked 115 of 3143
Lincoln County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 63.8 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 13,176.
- Rank within US : This county is ranked 100 of 3143
Carter County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 64.0 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 871.
- Rank within US : This county is ranked 95 of 3143
Sanders County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 65.5 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 8,467.
- Rank within US : This county is ranked 63 of 3143
Granite County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 65.9 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 2,253.
- Rank within US : This county is ranked 56 of 3143
Meagher County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 71.3 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 1,412.
- Rank within US : This county is ranked 13 of 3143
Petroleum County
- 2023 Rural-Urban Continuum Codes Φ : Rural
- Value (Percent) : The value is 73.1 percent.
- People (Age 40 And Over) : The number of people (age 40 and over) is 293.
- Rank within US : This county is ranked 6 of 3143
Notes:
Created by statecancerprofiles.cancer.gov on 07/09/2025 10:17 am.
Φ Rural-Urban Continuum Codes provided by the USDA.
Source: Demographic data provided by the Census Bureau and the American Community Survey.
For more information about Population: Age 40 and over, see the dictionary.
Data for United States does not include Puerto Rico.